Finding the Fourth Proportional to 11,214.72, 16,822.15 and 3,423.53

Step by Step Solution

1. Step 1: Write the proportion equation
   11,214.72 : 16,822.15 = 3,423.53 : x
2. Step 2: Convert to fraction form
   11,214.72/16,822.15 = 3,423.53/x
3. Step 3: Cross multiply
   11,214.72x = 16,822.15 × 3,423.53
4. Step 4: Simplify right side
   11,214.72x = 57,591,168.69
5. Step 5: Solve for x
   x = 57,591,168.69/11,214.72
6. Step 6: Final answer
   x = 5,135.32